I evaluated the signal of the ESC via the Arduino to make the backfire look realistic. The Backfire is triggered when you go fast from full throttle.
What you will need:
piece of pipe
If you do not have any experience with Arduino... check out Arduino First Steps
You will <3 it
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Step 1: Schematic Composition
Step 2: Arduino Code
Step 3: Assemble
Attach the servo to the burner. In my case, I did it with superglue. Works perfect.
Be creative. :-)
Step 4: Stay Tuned
Currently my project is in the development phase. The next step will be to build an exhaust that looks realistic.